@Article{ authors = " Jonatas Ferreira da Silva Santos, Irineu Loturco, Emerson Franchini", title = "Relationship between frequency speed of kick test performance, optimal load, and anthropometric variables in black-belt taekwondo athletes", journal = "Ido Movement for Culture : journal of martial arts anthropology : theory of culture, psychophysical culture, cultural tourism, anthropology of martial arts, combat sports", issue = "2018 / Tom 18 / Numer 1", pages = "39 - 44" }